A. Victoria
B. Superior
C. Baikal
D. Saif ul Malook
🧠 Explanation:
Lake Baikal in Russia is the world’s deepest lake, a unique ecosystem. For geography students, this highlights global hydrology, making it a key topic for studying lakes, environmental science, and biodiversity. Baikal supports unique species. Understanding this reveals Russia’s ecological richness. It’s essential for analyzing physical geography, environmental studies, and ecology. Studying Lake Baikal offers insights into how lakes shape ecosystems, crucial for geography, environmental science, and ecology, ensuring knowledge of its ecological significance.